sidely
advEtymology From Middle English *sideli (adjective), sideli (adverb), equivalent to side + -ly. Cognate with German seitlich (“lateral”). Compare also sideling.
1
Nonstandard, Rare To the side; sideways; laterally; sideling; obliquely; indirectly.
- […] satisfying her homosexuality with the keeping of a secret scrapbook of pictures of favorite male actors or athletes or by supervising the activities of young boys or visiting turkish^([sic]) baths or mens^([sic]) locker rooms, leering sidely while seeking protection behind a carefully guarded guise of virility […]1964, Hubert Selby Jr., Last Exit to Brooklyn, New York: Grove Press: